- Enrollment
- 1,722
- Students per teacher
- 18.9:1
- Resource Index
- 44/100
High school (grades 9-12) · San Anselmo, CA
Archie Williams High
Federal NCES profile for Archie Williams High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063879006525
👥 S:T ratio 28
🌟 Gifted program 30
🎓 Counselors 43
📋 Attendance 58
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Archie Williams High earns 40/100 on the Resource Investment Index, with class sizes smaller than 78% of California schools.
- #1 of 4
- public schools in San Anselmo · Resource Index
- 40
- Resource Index · Typical
- 18.1:1
- small classes for California
- 11.0%
- free-lunch eligible
Archie Williams High has class sizes smaller than 78% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Archie Williams High ranks #1 of 4 public schools in San Anselmo, CA.
School address
District: Tamalpais Union High · California
NCES ID 063879006525 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-43 students YoY
Archie Williams High held near 1,181 students from 2022-23 to 2023-24 (-43 headcount).
Teacher FTE held 63.9 → 63.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-43 students YoY 063879006525 · San Anselmo, CA High · MID · TRAD
1,141 enr · 18.1:1 · 11.0% lunch · RII 40
Nearest enrollment peer: Redwood High (1,722 students)
Archie Williams High held near 1,181 students from 2022-23 to 2023-24 (-43 headcount). Teacher FTE held 63.9 → 63.8 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Archie Williams High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Redwood High
Redwood High
1,722 students
- Tamalpais High
Tamalpais High
1,470 students
- This school
Archie Williams High
1,141 students
- Tamiscal High 124
Tamiscal High (Alternative)
124 students
- San Andreas Hi 46
San Andreas High (Continuation)
46 students
What this shows Archie Williams High reports 1,141 students on the CCD universe file.
How Archie Williams High compares
Archie Williams High held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.1:1 | ▼ 16% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 11.0% | ▼ 80% | 55.5% | 51.7% |
| Enrollment | 1,141 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.1:1
Leaner classes than 24% of US schools, heavier class loads than most.
1,141
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
11.0%
free-lunch eligible
- 80% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
18.1:1
students per teacher
- 16% below state mean
Top 22% in California - lower ratio than 78% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
16.9%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$22,335
per pupil, district-wide
- above California avg of $18,665
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors4.0 FTE
Per 285 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 9 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 1.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 74.2%
Hispanic or Latino 14.9%
Two or More 7.7%
Asian 1.7%
African American 1.4%
American Indian / Alaska Native 0.1%
Largest group: White at 74.2% of enrollment.
Student-body diversity index 42.1/100
Simpson diversity index - at 42.1, Archie Williams High is less mixed than the California school average of 46.0.
Programs
AP courses offered 15
District finance for Tamalpais Union High reports $22,335 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Archie Williams High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Redwood High | Larger | Similar economic need | Similar S:T ratio |
| Tamalpais High | Larger | Similar economic need | Similar S:T ratio |
| Tamiscal High (Alternative) | Smaller | Similar economic need | Lower S:T ratio |
| San Andreas High (Continuation) | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Archie Williams High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,470
- Students per teacher
- 19.3:1
- Resource Index
- 42/100
- Enrollment
- 124
- Students per teacher
- 12.4:1
- Resource Index
- 61/100
- Enrollment
- 46
- Students per teacher
- 9.2:1
- Resource Index
- 61/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,141 students)
Similar student-teacher ratio (~18.1:1)
Frequently asked questions about Archie Williams High
How many students attend Archie Williams High?
Archie Williams High has 1,141 students enrolled. It is a high school in San Anselmo, CA. CCD year-over-year: 1,224 (2022-23) → 1,181 (2023-24), nearly flat (-43).
What is the student-teacher ratio at Archie Williams High?
The student-teacher ratio at Archie Williams High is 18.1:1, which is 16% lower than the California average of 21.5:1 and 15% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Archie Williams High?
11.0% of students at Archie Williams High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Archie Williams High?
The largest demographic group at Archie Williams High is White at 74.2% of enrollment, in San Anselmo, CA.
What is the Resource Investment Index for Archie Williams High?
Archie Williams High has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Archie Williams High rank among public schools in San Anselmo?
By Resource Investment Index, Archie Williams High ranks #1 of 4 public schools in San Anselmo, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Tamalpais Union High?
Besides Archie Williams High, Tamalpais Union High also operates Redwood High (1,722 students), Tamalpais High (1,470 students), and Tamiscal High (Alternative) (124 students). See the Tamalpais Union High district page for the complete list.